30for30 

The challenge of going 30 days and 30 nights without drinking any alcoholic beverages.

Q: You want to go to the partai tonight and do it big?

A: Dude, I can't, I am training for a marathon, I am starting a 30for30.

30for30 by en palme February 14, 2012

30for30 

When it's the end of your 20's and you celebrate by attempting to smash a 30pack on the eve of your 30th birthday.

We had my birthday party at my house and I attempted a 30for30 to celebrate. Needless to say I failed miserably and had a 3 day hangover

30for30 by Bigbrachcock11 October 2, 2018

30For30'd 

verb(past tense): to accomplish a feat so astonishing that ESPN must feel the need to create an "ESPN 30 For 30" documentary/film based on that specific event.

1. (Man makes a 3-point shot at the buzzer)
..."Dude, did you see that shit...he totally 30For30'd that"

2. (Man with no legs wins the international arm wrestling competition)
..."Wow, that man is my hero based upon how he just 30For30'd that competition.

30For30'd by bwelt18 February 14, 2012